INFLUENCE OF PATCH‐ AND LANDSCAPE‐LEVEL FACTORS ON BIRD ASSEMBLAGES IN A FRAGMENTED TROPICAL LANDSCAPE

摘要: A major challenge in studies of habitat fragmentation is to determine the influence patch quality and landscape context on use by animals. Few have simultaneously examined effects (area, shape, vegetation structure) (e.g., amount arboreal close proximity) abundance patterns In this study, we how these characteristics bird species distribution a pasture-dominated Los Tuxtlas region Veracruz, Mexico. We focused three types elements: forest edge sites (n = 8), remnants riparian 9). quantified community composition birds conducting seven counts each site between October 1996 April 1997. Species typically restricted were influenced two patch-level factors, whereas not so both patch- landscape-level factors. At level, b...